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<p>&#x5047;&#x8BBE;&#x6709; <em>n</em> &#x4E2A;&#x6743;&#x503C; {<em>w<sub>1</sub> ,w<sub>2</sub> ,&#xB7;&#xB7;&#xB7; ,w<sub>n</sub></em>}&#xFF0C;&#x6784;&#x9020;&#x4E00;&#x68F5;&#x6709; <em>n</em> &#x4E2A;&#x53F6;&#x5B50;&#x7ED3;&#x70B9;&#x7684;&#x4E8C;&#x53C9;&#x6811;&#xFF0C;&#x6BCF;&#x4E2A;&#x53F6;&#x5B50;&#x7ED3;&#x70B9;&#x7684;&#x5E26;&#x6743;&#x4E3A; <em>w<sub>i</sub></em>&#xFF0C;&#x5176;&#x4E2D;&#x5E26;&#x6743;&#x8DEF;&#x5F84;&#x957F;&#x5EA6; <em>WPL</em> <strong>&#x6700;&#x5C0F;</strong>&#x7684;&#x4E8C;&#x53C9;&#x6811;&#x79F0;&#x4F5C;<strong>&#x6700;&#x4F18;&#x4E8C;&#x53C9;&#x6811;</strong>&#x6216;<strong>&#x8D6B;&#x592B;&#x66FC;&#x6811;</strong>&#x3002;</p>
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<li><p>&#x91CD;&#x590D;&#x4E0A;&#x8FF0;&#x4E24;&#x6B65;&#xFF0C;&#x76F4;&#x5230;&#x53EA;&#x542B;&#x4E00;&#x68F5;&#x6811;&#x4E3A;&#x6B62;&#xFF0C;&#x8FD9;&#x68F5;&#x6811;&#x5373;&#x8D6B;&#x592B;&#x66FC;&#x6811;&#x3002;</p>
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<p>&#x6839;&#x636E;&#x5B57;&#x7B26;&#x51FA;&#x73B0;&#x9891;&#x7387;&#x6784;&#x9020;&#x8D6B;&#x592B;&#x66FC;&#x6811;&#xFF0C;&#x7136;&#x540E;&#x5C06;&#x6811;&#x4E2D;&#x7ED3;&#x70B9;&#x5F15;&#x5411;&#x5176;&#x5DE6;&#x5B69;&#x5B50;&#x7684;&#x5206;&#x652F;&#x6807; &#x201C;0&#x201D;&#xFF0C;&#x5F15;&#x5411;&#x5176;&#x53F3;&#x5B69;&#x5B50;&#x7684;&#x5206;&#x652F;&#x6807; &#x201C;1&#x201D;&#xFF1B;&#x6BCF;&#x4E2A;&#x5B57;&#x7B26;&#x7684;&#x7F16;&#x7801;&#x5373;&#x4E3A;&#x4ECE;&#x6839;&#x5230;&#x6BCF;&#x4E2A;&#x53F6;&#x5B50;&#x7684;&#x8DEF;&#x5F84;&#x4E0A;&#x5F97;&#x5230;&#x7684; 0&#x3001;1 &#x5E8F;&#x5217;&#x3002;</p>
<p><strong>&#x7B97;&#x6CD5;&#x5B9E;&#x73B0;</strong></p>
<p>&#x7531;&#x4E8E;&#x8D6B;&#x592B;&#x66FC;&#x6811;&#x4E2D;&#x6CA1;&#x5EA6;&#x4E3A; 1 &#x7684;&#x7ED3;&#x70B9;&#xFF0C;&#x5219;&#x4E00;&#x68F5;&#x6709; <em>n</em> &#x4E2A;&#x53F6;&#x5B50;&#x7ED3;&#x70B9;&#x7684;&#x8D6B;&#x592B;&#x66FC;&#x6811;&#x6709; <em>2n&#xFF0D;1</em> &#x4E2A;&#x7ED3;&#x70B9;&#xFF0C;&#x53EF;&#x4EE5;&#x5B58;&#x50A8;&#x5728;&#x4E00;&#x4E2A;&#x5927;&#x5C0F;&#x4E3A; <em>2n-1</em> &#x7684;&#x4E00;&#x7EF4;&#x6570;&#x7EC4;&#x4E2D;&#x3002;&#x5BF9;&#x6BCF;&#x4E2A;&#x7ED3;&#x70B9;&#x800C;&#x8A00;&#xFF0C;&#x5373;&#x9700;&#x77E5;&#x53CC;&#x4EB2;&#x7684;&#x4FE1;&#x606F;&#xFF0C;&#x53C8;&#x9700;&#x77E5;&#x5B69;&#x5B50;&#x7ED3;&#x70B9;&#x7684;&#x4FE1;&#x606F;&#x3002;</p>
<pre><code class="lang-C"><span class="hljs-comment">/**
 * &#x52A8;&#x6001;&#x5206;&#x914D;&#x6570;&#x7EC4;&#x5B58;&#x653E;&#x8D6B;&#x592B;&#x66FC;&#x6811;
 */</span>
<span class="hljs-keyword">typedef</span> <span class="hljs-keyword">struct</span>
{
    <span class="hljs-keyword">int</span> weight;
    <span class="hljs-keyword">int</span> parent, lch, rch; <span class="hljs-comment">// &#x521D;&#x59CB;&#x5316;&#x65F6; parent &#x57DF;&#x4E3A; -1</span>
}HTNode, *HuffmanTree;

<span class="hljs-keyword">typedef</span> <span class="hljs-keyword">char</span>** HuffmanCode; <span class="hljs-comment">//&#x52A8;&#x6001;&#x5206;&#x914D;&#x6570;&#x7EC4;&#x5B58;&#x653E;&#x8D6B;&#x592B;&#x66FC;&#x7F16;&#x7801;</span>
</code></pre>

                                
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